i have getting error in Affiliate Debug

Hello,

i have installed the Affiliate plugin in my this site ( http://onsense.com.au/digitalhealthcheck ). but it can't work.

and when i open my site in any browser it's give me this error "The Not via an Affiliate cookie has been set. I am ignoring any future affiliate clicks for this browser session. "

also i have past this code "define('AFFILIATE_COOKIE_DAYS',45);" in my wp-config.php file but it can't work.

please give me solution for this problem immediately.